A576SKSS3BZJ2 – Galaxy Quantum7 firmware

Build A576SKSS3BZJ2 is a security update for the Galaxy Quantum7 (SM-A576S) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 20, 2026 (method) and has reached 1 region so far. It raises the bootloader bit from 2 to 3: once installed, the device no longer accepts firmware with bit 2 or lower, so a downgrade to A576SKSU2BZIE is blocked. Samsung still serves this file.

Model
SM-A576S
Android
Android 17
Type
Security
Bootloader bit
3
First released
Oct 20, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received A576SKSS3BZJ2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
SKCSouth Korea (SKT)Oct 20, 2026day 0A576SKSS3BZJ2/A576SSKC3BZJ2/A576SKSS3BZJ2

Download and release notes

samloader download -m SM-A576S -r SKC -v A576SKSS3BZJ2/A576SSKC3BZJ2/A576SKSS3BZJ2

Samsung's release notes and security patch level for this update: SM-A576S / SKC on doc.samsungmobile.com. What each part of the build number means: decode A576SKSS3BZJ2.